Pipe joints or couplings – With assembly means or feature – Inserted section
Patent
1987-08-05
1989-06-06
Reese, Randolph A.
Pipe joints or couplings
With assembly means or feature
Inserted section
285165, 2853321, 2853323, 285917, F16L 2706
Patent
active
048365815
ABSTRACT:
The invention relates to a device for making a sealed connection of adaptable length suitable for interconnecting two pipes whose axes are not necessarily in alignment. The device in accordance with the invention comprises a flange placed on each pipe with each flange being provided with a spherical bearing surface on its end face and with a spherical bearing surface on its opposite face. A central tube has a thrust member mounted at each end thereof, each thrust member including a void for receiving at least one spacer. The tube is also provided with a flange which serves to bring the spacer against a sealing ring pressed against the end face of the flange by being clamped to a backing flange. The backing flange has a spherical surface that cooperates with the spherical surface of the opposite face of the pipe-mounted flange. At least one of said thrust members receives at least two spacers separated by sealing ring. The invention also provides a clamping method. A connection in accordance with the invention is particularly applicable in the nuclear industry.
REFERENCES:
patent: 3233921 (1966-02-01), Holmgren et al.
patent: 3332709 (1967-07-01), Kowalski
patent: 3720428 (1973-03-01), Zastawny
patent: 3986730 (1976-10-01), Martelli et al.
patent: 4195865 (1980-04-01), Martin
patent: 4371198 (1983-02-01), Martin
patent: 4427222 (1984-01-01), Abbes et al.
patent: 4640530 (1987-02-01), Abbes et al.
Knight Anthony
Reese Randolph A.
Societe Generale Pour les Techniques
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